Home / 180,021.34-248,428.67-99,448.86

Finding the Fourth Proportional to 180,021.34, 248,428.67 and 99,448.86

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Solution

The fourth proportional to 180,021.34, 248,428.67 and 99,448.86 is: 137,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,021.34 : 248,428.67 = 99,448.86 : x
  2. Step 2: Convert to fraction form
    180,021.34/248,428.67 = 99,448.86/x
  3. Step 3: Cross multiply
    180,021.34x = 248,428.67 × 99,448.86
  4. Step 4: Simplify right side
    180,021.34x = 24,705,949,016.58
  5. Step 5: Solve for x
    x = 24,705,949,016.58/180,021.34
  6. Step 6: Final answer
    x = 137,239.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.